Monolithic nanocarbon catalysts boot dihydrogen-sulfide selective oxidation
Ultra-deep removal of H2S is important in petroleum refining, natural gas purification and coal chemical industry. However, the industrial catalysts for continuous H2S selective oxidation show poor activity and stability, especially on feed gas conta.....»»
Research team develops more affordable and brighter film lighting technology
A research team led by Dr. Byeong-dae Choi at the DGIST Division of Electronics & Information System has greatly improved the efficiency of zinc sulfide powder-based electroluminescent devices by applying silver nanofilms. The study was published in.....»»
Researchers propose post-synthetic modification of covalent organic frameworks for carbon dioxide electroreduction
Covalent organic frameworks (COFs), possessing ordered pores and high-precision functionalization, are regarded as an ideal class of templates to construct catalysts for electrocatalytic carbon dioxide reduction reaction (CO2RR)......»»
New silica-based adsorbent developed for selective separation of radioactive strontium from acidic medium
Prof. Huang Qunying's team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a novel inorganic silica-based adsorbent for the highly selective separation of strontium from acidic medium. The results were p.....»»
New protein scaffolds for assembling multi-enzyme systems with unprecedented control
Cell-free biocatalysis is being increasingly used as a substitute for conventional chemical catalysts, given that enzymes (biological catalysts) are more sustainable and selective in the manufacture of valuable chemicals. Chemical biomanufacturing ha.....»»
Theory"s predictive power: Creating effective and low-cost rare-earth element based catalysts
An international research group has used theoretical predictions to identify and then fabricate a new electrocatalyst that significantly aids the oxygen evolution reaction (OER). Details of their findings were published in the journal Advanced Materi.....»»
An efficient strategy to promote novel products on Cu-based catalysts
The electrochemical CO2 reduction reaction (CO2RR) to high-value-added products with two or more carbons (C2+ products) provides a viable strategy to close the anthropogenic carbon cycle and increase economic efficiency. Cu is generally considered to.....»»
Overcoming the trade-off between sub-nanometer size and high metal loading in meta cluster catalysts
Recognizing the ultrafast laser-to-thermal conversion capacity and the impermeable, flexible features of graphene Dr. Ye-Chuang Han and Prof. Zhong-Qun Tian conceived the idea of using the material as the diffusion-constrained nanoreactor for high-te.....»»
Volvo’s next EV is here, and it’s affordable—the $34,950 EX30
The next Swedish EV won't break the bank, and it has a tiny carbon footprint to boot. Enlarge / At a time when it seems like every automaker is making cars larger and more expensive, the EX30 is a welcome alternative to that tren.....»»
Catalysis under the microscope is more complex than expected, shows new study
Catalysts composed from tiny metal particles play an important role in many areas of technology—from fuel cells to production of synthetic fuels for energy storage. The exact behavior of catalysts depends, however, on many fine details and their in.....»»
How a microbe creates its own sulfate reduction machinery
Scientists at the Max Planck Institute for Marine Microbiology in Bremen, Germany, have uncovered the molecular secrets of a methane-generating microbe that can transform sulfate into sulfide—a ready-to-use cellular building block. This discovery o.....»»
Industrially applied and relevant transformations of 1,3-butadiene using homogeneous catalysts
The use of 1,3-butadiene as a cheap and abundant raw material for new applications has attracted more interest in recent decades, specifically in the chemical industry. A recently published review covers several important homogeneously catalyzed proc.....»»
X-rays visualize how one of nature"s strongest bonds breaks
The use of short flashes of X-ray light brings scientists one big step closer toward developing better catalysts to transform the greenhouse gas methane into a less harmful chemical. The result, published in the journal Science, reveals for the first.....»»
Microsoft will take nearly a year to finish patching new 0-day Secure Boot bug
Fix will eventually render all kinds of older Windows boot media unbootable. Enlarge (credit: Aurich Lawson / Ars Technica) Earlier this week, Microsoft released a patch to fix a Secure Boot bypass bug used by the BlackL.....»»
Microsoft fixes two actively exploited bugs, one used by BlackLotus bootkit (CVE-2023-29336, CVE-2023-24932)
For May 2023 Patch Tuesday, Microsoft has delivered fixes for 38 CVE-numbered vulnerabilities, including a patch for a Windows bug (CVE-2023-29336) and a Secure Boot bypass flaw (CVE-2023-24932) exploited by attackers in the wild. The two exploited b.....»»
MSI’s firmware, Intel Boot Guard private keys leaked
The cybercriminals who breached Taiwanese multinational MSI last month have apparently leaked the company’s private code signing keys on their dark web site. The breach MSI (Micro-Star International) is a corporation that develops and sells com.....»»
Researchers develop interfacial charge modification strategy to enhance photocatalytic water oxidation
Water oxidation reaction involves a four-electron and four-proton transfer process, which requires an uphill energy transformation and limits the efficiency of the overall photocatalytic water splitting reaction......»»
Chemists find that metal atoms play key role in fine organic synthesis
A small team of chemists at the Russian Academy of Sciences, has found that metal atoms, not nanoparticles, play the key role in catalysts used in fine organic synthesis. In the study, reported in the Journal of the American Chemical Society, the gro.....»»
New biocomputing method uses enzymes as catalysts for DNA-based molecular computing
From early detection and internal treatment of diseases to futuristic applications like augmenting human memory, biological computing, or biocomputing, has the potential to revolutionize medicine and computers......»»
Best Pixel 6 Pro screen protectors to buy in 2023
Protect your Pixel 6 Pro display with these screen protectors. The Google Pixel 6 Pro is packed with so many high-end features but one thing that will catch your attention right after the first boot is its gorgeous display. It has a 6.7-inc.....»»
Crystal phase-dependent activity of mnGaOx observed in direct syngas to light olefins
Two notable metal oxide structures, spinel-type oxide and solid solution-type oxide, are widely used in Oxide-Zeolite (OXZEO) bifunctional catalysts for CO/CO2 hydrogenation reactions......»»